2020 BMW M340i xDrive [0.00] Cant necessarily help with the transition from Model 3 to M340i, but when I got my M340i I cross shopped it with the Model 3, C43 AMG, and S5/RS5. Decided against the Model 3 for exactly the same reasons you mention and just wasn't a fan of the interior styling of the C43. More @Wikipedia
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